223311320211 has 16 divisors (see below), whose sum is σ = 340385813504. Its totient is φ = 127568257344.

The previous prime is 223311320203. The next prime is 223311320263. The reversal of 223311320211 is 112023113322.

It is not a de Polignac number, because 223311320211 - 2³ = 223311320203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223311320291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520266 + ... + 1660671.

It is an arithmetic number, because the mean of its divisors is an integer number (21274113344).

Almost surely, 2^223311320211 is an apocalyptic number.

223311320211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223311320211 is a deficient number, since it is larger than the sum of its proper divisors (117074493293).

223311320211 is a wasteful number, since it uses less digits than its factorization.

223311320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184290.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 223311320211 its reverse (112023113322), we get a palindrome (335334433533).

The spelling of 223311320211 in words is "two hundred twenty-three billion, three hundred eleven million, three hundred twenty thousand, two hundred eleven".